26699560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^2$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 64910970

約数和(自身を除く): 38211410

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 361, 380, 430, 722, 760, 817, 860, 1444, 1634, 1720, 1805, 1849, 2888, 3268, 3610, 3698, 4085, 6536, 7220, 7396, 8170, 9245, 14440, 14792, 15523, 16340, 18490, 31046, 32680, 35131, 36980, 62092, 70262, 73960, 77615, 124184, 140524, 155230, 175655, 281048, 310460, 351310, 620920, 667489, 702620, 1334978, 1405240, 2669956, 3337445, 5339912, 6674890, 13349780, 26699560]

約数ペア:

[(1, 26699560), (2, 13349780), (4, 6674890), (5, 5339912), (8, 3337445), (10, 2669956), (19, 1405240), (20, 1334978), (38, 702620), (40, 667489), (43, 620920), (76, 351310), (86, 310460), (95, 281048), (152, 175655), (172, 155230), (190, 140524), (215, 124184), (344, 77615), (361, 73960), (380, 70262), (430, 62092), (722, 36980), (760, 35131), (817, 32680), (860, 31046), (1444, 18490), (1634, 16340), (1720, 15523), (1805, 14792), (1849, 14440), (2888, 9245), (3268, 8170), (3610, 7396), (3698, 7220), (4085, 6536)]